Coplin Staining JarsCoplin Staining Jars Coplin Staining Jar, 5 10 Slide Unit (8541L01) This unit holds ten 3" x 1" (75 mm x 25 mm) slides, back to back that extend above the opening so you can manipulate them without using forceps Polypropylene screw cap The screw cap is made of linerless white polypropylene to reduce solvent evaporation and spills during storage Cap is not intended for use with slides in jar The unit has a rectangular base and holds approximately 55 mL